1.	Simplify 1 Simplify the following expression: $$ \left({(-4)}^{2} - 1\times6\right)2(-3)(-6) $$ Correct Answer $$ 360$$ or 360.000

2.	Simplify 2 Simplify the following expression: $$ 2\frac{-3}{6}\left({5}^{3} + -6 - -5\right) $$ Correct Answer $$ -124$$ or -124.000

3.	Fractions 1 Simplify the following expression: $$ \frac{-2}{6} - \frac{4}{3} $$ Correct Answer $$ \frac{-5}{3}$$ or -1.6666666666666665

4.	Fractions 2 Simplify the following expression: $$ \frac{-2}{2}\frac{4}{6} $$ Correct Answer $$ \frac{-2}{3}$$ or -0.6666666666666666

5.	Significant figures 1. Write the following to 3 significant figures: 0.89094108 Correct Answer 0.891 or $$8.91\times10^{-1}$$ 2. Write the following to 3 significant figures: 0.0021488186 Correct Answer 0.00215 or $$2.15\times10^{-3}$$

6.	Standard Form 1. Write the following in standard form to 5 significant digits: 1.21562 Correct Answer $$1.2156\times10^{0}$$ 2. Write the following in standard form to 3 significant digits: 302.350 Correct Answer $$3.02\times10^{2}$$

7.	Significant figures 1. Write the following in preferred standard form to 3 significant digits: 0.0000002401 Correct Answer $$240\times10^{-9}$$ 2. Write the following in preferred standard form to 2 significant digits: 0.000001150 Correct Answer $$1.1\times10^{-6}$$

8.	Simplify 2 Simplify the following expression: $$ \left(4 + -1\right)\left(-3 - 6\right) + {\left(\frac{1}{-3}\right)}^{2} $$ Correct Answer $$ {\left(\frac{1}{3}\right)}^{2} - 27$$ or -26.8889

9.	Simplify 1 Simplify the following expression: $$ \left(-6 - 4\right)\left(5 + 4\right) - {\left(6 - -6\right)}^{2} $$ Correct Answer $$ -234$$ or -234.000

10.	Simplify 2 Simplify the following expression: $$ 2{3}^{2} - \left(-5 + 6\right)\left(6 - -3\right) $$ Correct Answer $$ 9$$ or 9.00000